HumanTechnik InfraLight DIR Mode D'emploi page 17

Please note the following informations:
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If the system needs cleaning ONLY use a soft damp cloth.
If the ear pieces become damaged they should be replaced.
The product warranty does not cover normal wear or damage resulting
from misuse, neglect, improper storage, accident, unauthorised repair or
alteration.
Important Notice
This product is not protected against splash water. Do not place any
containers filled with water, such as flower vases, or anything with an
open flame, such as a lit candle, on or near the product.
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